Device for artificial wetland sewage treatment and method for treating sewage thereof

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 9878931
SERIAL NO

15121053

Stats

ATTORNEY / AGENT: (SPONSORED)

Importance

Loading Importance Indicators... loading....

Abstract

See full text

A device for artificial wetland sewage treatment, which comprises a vertical flow artificial wetland bed body with an openmouthed upper portion, a vertical flow sewage treatment artificial wetland arranged on the vertical flow artificial wetland bed body, a diversion canal formed at one end of the vertical flow artificial wetland bed body, a draining ditch formed at the other end of the vertical flow artificial wetland bed body, a baffle wall dividing into a first wetland unit and a second wetland unit, an upper water conduit with an upper water conduit inlet valve at one end. It ensures the service life of the vertical flow sewage treatment artificial wetland and avoids pipe blockage; has the lasting purification treatment capacity; has a simple structure and can achieve the low cost of construction and convenient operation management; and has a long-term stable use effect.

Loading the Abstract Image... loading....

First Claim

See full text

Family

Loading Family data... loading....

Patent Owner(s)

Patent OwnerAddress
NANJING UNIVERSITY ECOLOGICAL RESEARCH INSTITUTE OF CHANGSHUNO 1 SOUTH ROAD OF THE SHANGHU LAKE CHANGSHU COUNTY SUZHOU JIANGSU 215500

International Classification(s)

  • [Classification Symbol]
  • [Patents Count]

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
An, Shuqing Jiangsu, CN 2 5
Ren, Lijun Jiangsu, CN 14 78
Xu, Delin Jiangsu, CN 1 2
Yang, Tangwu Jiangsu, CN 1 2

Cited Art Landscape

Load Citation

Patent Citation Ranking

Forward Cite Landscape

Load Citation

Maintenance Fees

Fee Large entity fee small entity fee micro entity fee due date
7.5 Year Payment $3600.00 $1800.00 $900.00 Jul 30, 2025
11.5 Year Payment $7400.00 $3700.00 $1850.00 Jul 30, 2029
Fee Large entity fee small entity fee micro entity fee
Surcharge - 7.5 year - Late payment within 6 months $160.00 $80.00 $40.00
Surcharge - 11.5 year - Late payment within 6 months $160.00 $80.00 $40.00
Surcharge after expiration - Late payment is unavoidable $700.00 $350.00 $175.00
Surcharge after expiration - Late payment is unintentional $1,640.00 $820.00 $410.00